Digital thermostat controller for heat mats



FIG. 1 is a perspective view of a digital thermostat controller for heat mats showing the claimed design;

FIG. 2 is a front elevational view thereof;

FIG. 3 is a side elevational view thereof;

FIG. 4 is a rear elevational view thereof; and,

FIG. 5 is a bottom plan view thereof.

Broken lines (if any) showing the environment in any figures are for illustrative purposes only and form no part of the claimed design. 

CLAIM The ornamental design for a digital thermostat controller for heat mats, as shown and described. 